There is a really cool stradegy game that you can sign up to for free, all you have to do is choose a name sign up and get a convermation email. There are lot's of players and it is part of a big site.You can make friends and then kill them if you want, all the rally good fetures are only availible if you activate your accont like the map, and other stuff. If you are enterrested in having fun go hereis
http://www.spam.com
Have fun, it is really cool